Sunline (1995--2009) was a New Zealand bred racehorse who was the world's highest earning racemare of her time, competing on 48 occasions for 32 wins, 9 seconds and 3 thirds to earn A$11,351,607. She won races in three different countries, Australia, New Zealand and Hong Kong. She won successive W.S. Cox Plates (2,040m), the richest Weight for Age (WFA) race in Australia. She also twice won the toughest mile race in Australia, the Doncaster Handicap, once as a three-year-old and then again as a six-year-old. She was named New Zealand Horse of the Year four times and is also the only horse ever to win the Australian Horse of the Year championship three times. Sunline was unique in winning so many major races in both Australia and New Zealand. The only other horse to do this was racing legend Gloaming who raced around 1915.
She recorded a remarkable 13 wins from her 25 starts in Group One races (a winning strike-rate of 52%). Greg Childs, the jockey who rode Sunline in 33 of her races, said she deserved her title as one of the best racemares of the modern era.
Sunline led in most of her races, and sometimes settled just behind the leader. She was renowned for her tremendous constitution, and for being difficult to pass. Sunline was an inaugural inductee into the New Zealand Racing Hall of Fame, along with the other turf immortals Carbine, Gloaming, Kindergarten and Phar Lap.